If interfaces are managed through contracts, the entities in charge of maintenance shall make this documentation available to the respective railway undertakings and infrastructure managers.
Reazzjonijiet avversi huma kklassifikati taħt it-titlu tal-frekwenza, l-aktar frekwenti l-ewwel, bil-konvenzjoni li ġejja: komuni ħafna (≥ # %), komuni (≥ # % u < # %), mhux komuni (≥ #. # % u < # %), rari (≥ #. # % u < #. # %), rari ħafna (≤ #. # %EurLex-2 EurLex-2